Which of the Following Statements About Phloem Unloading at Sinks

question 18

Multiple Choice

Which of the following statements about phloem unloading at sinks is not consistent with our current understanding?

• A)Passive transport plays a role.
• B)Regardless of the type of sink,the conversion of sucrose to storage compounds such as starch is a major part of the process.
• C)The mechanisms of sucrose movement and the membrane proteins involved vary among different plant species.
• D)The mechanisms of sucrose movement and the membrane proteins involved vary among different sinks within a plant.
• E)Active transport plays a role.

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